package com.atguigu.springcloud.controller;

import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
public class PaymentController {


    @Value("${server.port}")
    private String serverPort;

    @Resource
    DiscoveryClient discoveryClient;

    @Resource
    PaymentService paymentService;

    @PostMapping(value = "/payment/create")
    public CommonResult create(@RequestBody Payment payment){

        int result = paymentService.create(payment);
        log.info("*******插入结果：{},服务端口:{}",result,serverPort);
        if(result > 0){
            return new CommonResult(200,"插入数据库成功，" + "\t服务端口" + serverPort,result);
        }else {
            return new CommonResult(444,"插入数据库失败,服务端口" + serverPort,null);
        }

    }

    @GetMapping(value = "/payment/get/{id}")
    public CommonResult<Payment> getPaymentById(@PathVariable("id") Long id){

        Payment payment = paymentService.getPaymentById(id);
        log.info("*******查询结果：" + payment);
        if(payment != null){
            return new CommonResult(200,"查询成功" + "\t服务端口：" + serverPort,payment);
        }else {
            return new CommonResult(444,"没有对应的记录，查询id=" + id + ",服务端口：" + serverPort,null);
        }

    }




    /**
     * 服务发现
     * @return
     */
    @GetMapping(value = "/payment/discovery")
    public Object discovery()
    {
        List<String> services = discoveryClient.getServices();
        for (String element : services) {
            System.out.println(element);
        }

        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT-SERVICE");
        for (ServiceInstance element : instances) {
            System.out.println(element.getServiceId() + "\t" + element.getHost() + "\t" + element.getPort() + "\t"
                    + element.getUri());
        }
        return this.discoveryClient;
    }


    /**
     * 测试轮询用
     * @return
     */
    @GetMapping(value = "/payment/lb")
    public String getPaymentLB()
    {
        return serverPort;
    }


    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeOut(){

        System.out.println("*****paymentFeignTimeOut from port: "+serverPort);
        try {
            TimeUnit.SECONDS.sleep(3);

        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        return serverPort;
    }


}
